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CentOS

Problems with qemu-img when generating Vagrant images

Hello everyone,

we switched from using qemu-img from CentOS 7.x to qemu-img-ev from the
Virt SIG several months ago, to allow us to generate Hyper-V images.

My attempts to build Vagrant images are failing the automated tests
since the beginning of July, apparently due to corrupt filesystems.

Where is the source code for specific build in koji ?

Hi there
Im looking for the git repository for the build <a href="http://cbs.centos.org/koji/buildinfo?buildID=22500" title="http://cbs.centos.org/koji/buildinfo?buildID=22500">http://cbs.centos.org/koji/buildinfo?buildID=22500</a>

I saw at https://git.centos.org/summary/rpms!kubernetes.git but this repo is not matching with the build that im looking for.

The build was made for Centos...

Regards
Felipe Ruiz

Finding memory usage

I have a CentOS 7 server that is running out of memory and I can't
figure out why.

Running "free -h" gives me this:
              total        used        free      shared  buff/cache  
available
Mem:           3.4G        2.4G        123M        5.9M       
928M        626M
Swap:          1.9G        294M        1.6G

The problem is that I can't find 2.4G of usage.  If I look at resident
memory usage using "top", the top 5 processes are using a total of
390M.  The next highest process is using 8M.  For simplicity, if I
assume the other 168 processes are all using 8M (which is WAY too high),

CentOS-announce Digest, Vol 161, Issue 7

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Today's Topics:

1.

centos-git-common: Add requirements.txt

Adding requirements.txt file that provides
the non-default python dependencies
requires for the centos.git.repolist.py .
This ease the the creation of the virtualenv.

Is decoupling Apache + PHP into separate nodes possible?

<preamble>
I have deployed Linux/Apache/PHP (node1) + MySQL (node2) with Security
Groups (AWS) or iptables controlling who can connect to the MySQL
server. In topology terms -- a 2 Tier architecture. In AWS - one
can deploy several such instances behind a ELB. Each LAP instance
talks to a MySQL RDS. The LAP instances are either mod_php or
PHP-FPM. OS -- CentOS, Ubuntu.

Problem with definition of slist in CFEngine

Hey folks,

I have a problem with the definition of a variable of type slist in
CFEngine on

# uname -a ; cat /etc/redhat-release
Linux policyhub.example.com 3.10.0-693.el7.x86_64 #1 SMP Tue Aug 22
21:09:27 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
CentOS Linux release 7.4.1708 (Core)

I'm not sure if its valid to ask CFEngine questions on this mailing
list, but as far as I'm running on CentOS I hope that it is okay.

I'm logged in as user

# id
uid=0(root) gid=0(root) Gruppen=0(root)
Kontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023

and working on directory

# pwd
/var/cfengine

CentOS-announce Digest, Vol 161, Issue 6

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Today's Topics:

1.

Call for Presentations: CentOS Dojo at FOSDEM

February feels like a long way away right now, but as some folks have
been asking about our annual FOSDEM Dojo, we've opened the Call for
Presentations to start collecting your talk ideas.

CFP: <a href="https://goo.gl/forms/XkXbC2AZBgKvfDNF2" title="https://goo.gl/forms/XkXbC2AZBgKvfDNF2">https://goo.gl/forms/XkXbC2AZBgKvfDNF2</a>

Event details: <a href="https://wiki.centos.org/Events/Dojo/Brussels2019" title="https://wiki.centos.org/Events/Dojo/Brussels2019">https://wiki.centos.org/Events/Dojo/Brussels2019</a>

Volunteers needed for booth at DevConf.us

With DevConf.us just three weeks away, I need folks to help out with the
booth at the event. I'm looking for people who are friendly and able to
answer some basic attendee questions around CentOS, to spend some time
at the booth, so that I can take a break a couple times a day.

The signup sheet is here:
<a href="https://docs.google.com/spreadsheets/d/1KDVgTO4M4UFdtONRHAjKTFRnwUMk4P2tTkZvgaWT188/edit#gid=0" title="https://docs.google.com/spreadsheets/d/1KDVgTO4M4UFdtONRHAjKTFRnwUMk4P2tTkZvgaWT188/edit#gid=0">https://docs.google.com/spreadsheets/d/1KDVgTO4M4UFdtONRHAjKTFRnwUMk4P2t...</a>

Thanks, and I hope to see you in Boston!

SCLO: Clang 5 package

Hi, a new version of llvm toolset was released on RHEL including clang 5
several months ago:

<a href="https://developers.redhat.com/blog/2018/05/03/announcing-ga-for-latest-software-collections-developer-toolset-compilers/" title="https://developers.redhat.com/blog/2018/05/03/announcing-ga-for-latest-software-collections-developer-toolset-compilers/">https://developers.redhat.com/blog/2018/05/03/announcing-ga-for-latest-s...</a>

devtoolset 7.1 (gcc 7.3) was announced around the same time and has been in
CentOS sclo repo for some time now, but still no sign of clang 5.

Is this on anyone's to do list? llvm toolset contains a really convenient
version of clang / clang-format, which I believe many developers are using
daily for various tools.

JJB publishing job status

Hello centos,

Recently <a href="https://review.rdoproject.org/r/#/c/14739/" title="https://review.rdoproject.org/r/#/c/14739/">https://review.rdoproject.org/r/#/c/14739/</a> merged, which adds a
ppc64le version of the rdo-test-day-tools job. However, amoralej had
mentioned that the jjb publish job was currently broken. Is the jjb
publish job down for the foreseeable future? We're hoping to get this
job going so we can iterate a bit more easily on tripleo container
builds for rdo on ppc64le.

Thanks!
Mike Turek <mjturek>

Re: [CentOS] Mail has quit working

Third time trying respond!

gordon. ... at gmail dot com>

On 07/23/2018 03:39 PM, TE Dukes wrote:

In one terminal: "tail -f /var/log/maillog" or "journalctl -f"

In another, "echo test | mail -s test ... at email dot address"

What do you see in the maillog at that time?

Re: [CentOS] Mail has quit working

On 07/23/2018 03:39 PM, TE Dukes wrote:

Re: [CentOS] Mail has quit working

has your /etc/hosts ​been modified recently?
does it contain a "127.0.0.1 localhost" or equivalent entry?
B

Mail has quit working

Hello,

Mail has come to an abrupt stop. Running C7, postfix and dovecot. Using
Roundcube as the client.

Mail stopped working Saturday and I cannot figure was has happened. I have
not touched this server except to upgrade packages. I believe Roundcube was
updated maybe a week ago but know I was getting mail since then.

Crond is no longer send mail. I checked /var/spool/mail as well as /Maildir
in home directories.

FF60 does not allow download to ssh/davs

Hello All,

this concerns fully updated Centos7 / Mate machines;
I have people connect to ssh en davs locations. In /home/user/.gtk-bookmarks I put entries like
ssh://192.168.1.8/data data-remote

People can then click on the bookmark in the file manager and connect to it.

Since FF60 people can no longer save files for instance from their mailbox to these "mounted" locations. Before, when choosing "save as", the mounted ssh location would
appear in the download window.

I guess this is not a bug but something one can disable/enable in about:config.

K8

(no subject)

Hey

odd popups

Occasionally and without any action on my part, I get a popup
saying I need to authenticate in order to read others' actions.
I have no clue what this is for, so I always reject them.
Anyone got a clue?

Image attached.

Centos 7 - Canon Powershot A410

I have an old Canon Powershot A410 camera that used to just work with
Centos 6.

database node / possible SYN flooding on port 3306

Hi folks,

I have here a database node running

# rpm -qa | grep mysql-server
mysql55-mysql-server-5.5.52-1.el6.x86_64

on

# virt-what
vmware

that seems to have a connection problem:

# dmesg |grep SYN |tail -5
possible SYN flooding on port 3306. Sending cookies.
possible SYN flooding on port 3306. Sending cookies.
possible SYN flooding on port 3306. Sending cookies.
possible SYN flooding on port 3306. Sending cookies.
possible SYN flooding on port 3306.

CCS meeting (2018-07-19) minutes

====================================================
#centos-devel: CentOS Cloud SIG meeting (2016-07-19)
====================================================

Meeting started by leanderthal at 15:12:10 UTC. The full logs are
available athttps://www.centos.org/minutes/2018/July/centos-devel.2018-07-19-15.12.log.html
.

Meeting summary

Is there any way I can deploy cPanel web hosting control panel with Microsoft Exchange 2016 groupware behind one static public IP?

Good evening from Singapore,

Is there any way I can deploy cPanel web hosting control panel with Microsoft Exchange 2016 groupware behind one static public IP? Or do I need 2 static public IP addresses at the minimum? With Exchange 2016 groupware taking up HTTP, HTTPS, IMAP, IMAPS, POP3, POP3S, SMTP, and SMTP/S ports, I personally don't think I can deploy cPanel behind the same public IP as Exchange.

Please advise. Perhaps you have a brilliant idea.

CentOS-announce Digest, Vol 161, Issue 5

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Today's Topics:

1.

Logwatch inconsistency

Hi all,
In my logwatch config I clearly state only too report on Yesterday.
The funny thing is that in the MailScanner section the number of mails
scanned is different thant th number reported in the postfix section to
be put on hold.
Ik I grep the Requeue statements in the MailScanner logfile this is
exactly the same number as the scan result of Hold in the postfix
logfile and is equal to the number reported by logwatch in the
MailScanner section.
How come postfix reports a lot more being put on hold than the real
number?
There is at least some inconsistency in there.

Adrian

Desktop lag with CentOS7/Mate and high CPU usage

We have noticed significant desktop/UI lag on CentOS7 workstations using
Mate when the CPU usage is high - i.e. the mouse pointer lags and moving
windows (e.g.

Which is better? Microsoft Exchange 2016 or Linux-based SMTP Servers?

Good evening from Singapore,

I am torn between deploying Microsoft Exchange 2016 and Linux-based
SMTP servers like sendmail, postfix, qmail and exim.

Relative ease of installation and configuration is an important
consideration factor.

Microsoft Exchange 2016, Domain Controller, and Active Directory are
relatively easy to install and configure. Linux-based SMTP servers are
extremely difficult to install and configure and of course, extremely
time-consuming.

One of the features of Microsoft Exchange 2016 is that you can create
additional folders on your Inbox in the server (server-side).

CentOS-announce Digest, Vol 161, Issue 4

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Today's Topics:

1.

first-use feedback on https://wiki.centos.org/Cloud/AWS

Hi. I'm _completely_ new to AWS, tried to run a centos image (via
ansible), here are things I bumped into and doc suggestions:

1. First I tried a non-marketplace image, because I needed ami-...

how and where to get libuuid.a

Hi,

I use Centos 7.4, and can find libuuid.so in my OS. how and where to get libuuid.a?

Thanks!

Regards

Andrew

Centos 7 and RAM

Hello,

What would the recommended minimum amount of RAM be, to run Centos 7. 16GB???

Thanks,

Jay

Inconsistency in opening files from networked location e.g. smb/sftp

I am at a loss as to where to post this question/email.

There is a (growing?) inconsistency between application using open
file/folder dialog to access "networked" locations, e.g. smb/sftp.

Firefox ESR 60/Atom editor being the latest in my experience.

Is this a redhat/centos issue? a gnome issue?

Panic with EL7 KVM guest on EL6 host on AMD server with latest kernel

Hi,

I have AMD servers running CentOS 6.10 as KVM host and on it guests
running CentOS 7.5.

Since the latest kernel update on CentOS 6.10,
kernel-2.6.32-754.2.1.el6.x86_64, I can't boot the CentOS 7.5 guests with
kernel-3.10.0-862.6.3.el7.x86_64 anymore.

Reverting CentOS 6.10 host to kernel-2.6.32-754.el6.x86_64 fixes the problem.

Screendump of the panic is attached, not very helpful I guess.

The CPU models where I could test it are:

cpu family : 15
model : 65
model name : Dual-Core AMD Opteron(tm) Processor 2218
stepping : 3

cpu family : 16
model : 6
model name : A

FF 60.1 can't print pages to files...

Yet another issue with this new browser.

If I look at a web page and try to print it to a file, FF crashes.
CentOS 6.10

Going back to FF 52.8. This new version is just unworkable for me.

Font related problems with recent FF 60.1

When I start FF from command line, I'm getting a lot of errors similar to
these --

Gtk-Message: Failed to load module "canberra-gtk-module"
Gtk-Message: Failed to load module "pk-gtk-module"
Gtk-Message: Failed to load module "canberra-gtk-module"
Gtk-Message: Failed to load module "pk-gtk-module"
Fontconfig warning: "/etc/fonts/conf.d/30-metric-aliases.conf", line 84:
Having multiple <family> in <alias> isn't supported and may not work as
expected
Fontconfig warning: "/etc/fonts/conf.d/30-metric-aliases.conf", line 84:
Having multiple <family> in <alias> isn't supported and may not work as
e

Firefox 60 crashes when trying to save an image

On any web page with an image, if i right-click on the image and select "Save Image As...", firefox crashes.

Final messages from stderr:
(firefox:3401): GLib-GIO-ERROR **: No GSettings schemas are installed on the system
[Child 3502, Chrome_ChildThread] WARNING: pipe error (3): Connection reset by peer: file /builddir/build/BUILD/firefox-60.1.0/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 353
Trace/breakpoint trap (core dumped)

I've reported this on RHEL bugzilla (1601254), but on the off chance that this is a problem with the CentOS build I'm posting here as well.

Centos 7 Not coming back from Sleep

Hi All

im running centos 7 on my HP Probook 450. the problem im having is that
when i put the Laptop to sleep (close the lid or press power button
once)  it goes to sleep fine. but to resume back, it cannot. it only
lights up the keybord LED's to indicate PC is awake, but the screen will
be blank. i have  to force reboot ( long press of power button) for the 
laptop to come back up.

what/were can i check to make sure it comes back from sleep nicely.

kvm & permission denied

Everyone,

I am trying to install KVM on a desktop unit as a lab project with the
hope of being able to use kvm on one of our office servers after I
learn how. So far I am very low on the learning curve.

I have used the guide to make the installation :

<a href="https://www.linuxtechi.com/install-kvm-hypervisor-on-centos-7-and-rhel-" title="https://www.linuxtechi.com/install-kvm-hypervisor-on-centos-7-and-rhel-">https://www.linuxtechi.com/install-kvm-hypervisor-on-centos-7-and-rhel-</a>
7/

The installation seemed to go well, but when I tried to add Fedora 27
with virt-manager I have continued to get file permission errors.

Clamd issues on Centos 6.10

Hello all,

Been having an issue today that I can't seem to solve, so reaching out to others much more
knowledgeable for help/advice/assistance.

I ran the software update this morning and installed 134 packages, clamd was one of the packages.
Upon completion of the update, I needed to reboot the box.

ssm vs. lvm: moving physical drives and volume group to another system

I did the following test:

###############################################
1.

Computer with Centos 7.5 installed on hard drive /dev/sda.

Added two hard drives to the computer: /dev/sdb and /dev/sdc.

Created a new logical volume in RAID-1 using RedHat System Storage Manager:

ssm create --fstype xfs -r 1 /dev/sdb /dev/sdc /mnt/data

Everything works.
/dev/lvm_pool/lvol001 is mounted to /mnt/data.
Files and folders can be copied/moved, read/written on /mnt/data.

###############################################

2.

I erased CentOS 7.5 from /dev/sda.
Wrote zeros to /dev/sda using dd.
Reinstall

CentOS-announce Digest, Vol 161, Issue 3

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Today's Topics:

1.

Firefix 60.10-5 ESR Install Problems For CentOS 6

Johnny/et al,

Looks like we've run into some issues with incompatible libs for the new
Firefox 60 ESR install:

Widevine plugin for CentOS 6?

Does anyone know of a CentOS 6 compiled version of the widevine DRM plugin?

With Firefox 60ESR, Netflix (e.g.) installs a version in your
~/.mozilla/firefox/(profile name)gmp-widevinecdm/ directory but it has the
following library failures in 'ldd' output:

When you will fix the CVE's affected to kernel package.

Hi,
Could you please let us know ,when you will fix these below CVE's in kernel package.
1) CVE-2018-10940
2) CVE-2018-1120

Regards,
Vyshnav

C7, ipmi, NIC2, still fighting

This is that system with the missing management port, and I'm still
fighting it.

Vault and mantis 6.10 issues

The bug tracker doesn't have 6.10 as a version option.

The vault doesn't have the RPMs for 6.9.

Thanks!

Today's meeting cancelled

Hi,

nobody else showed up so it's cancelled.

Have a great day!
H.

C7, just updated firefox, bugs

I just updated the "critical" firefox update, and it is *seriously* buggy.

1. I killed my old session, and started a new. Many (all?) tabs show
*nothing* until I put my cursor in the URL bar and hit <enter>
2. I cannot open a link in an email in thunderbird. I click the link, and
after a bit (30 sec? more?) a small windows tells me that firefox is
running, but not responding, which it certainly responds when I focus on
firefox.

mark

CentOS-announce Digest, Vol 161, Issue 2

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or, via email, send a message with subject or body 'help' to
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than "Re: Contents of CentOS-announce digest..."

Today's Topics:

1.

centos-indexhtml

Hi all,

With the release of firefox 60.x.x ESR that does not by default use the package
'centos-indexhtml', we are left with only KDE's 'konqueror' using it. Just for
discussion... is centos-indexhtml needed any more and have a future in the
distro and should konqueror be altered to homepage to the CentOS homepage?

Regards

Phil

FYI: Useful to know on pdf printing

This is just an FYI, folks.

We've got this large poster printer. We had some, er, environmental
issues, let us say, and first I had to recreate the .ppd (HP "doesn't
support printing from Linux, and the one a former coworker extracted from
the Mac package... was for a 23", not this 44"). Then... I was trying to
print from a 6.9 box.

Reminder meeting on Thursday 3pm UTC

Hi,

kind reminder that we will hold CentOS Cloud SIG meeting on
#centos-devel on Freenode at 3pm UTC

Regards,
H.

NSS authentication issue in FIPS mode.

Hi ,

In FIPS mode I was using

"NSS FIPS 140-2 Certificate DB:mypassphrase" in /etc/ipsec.d/nsspassword and in my custom location.

But it is failing with the below error in logs:

Jun 27 12:36:11: authentication of "NSS FIPS 140-2 Certificate DB" failed Jun 27

12:36:11: FATAL: NSS initialization failure

I was using CentOS Linux release 7.4.1708 (Core) with libreswan-3.20-3.el7.x86_64.

Could you please help me to resolve this problem.

Regards,

Vyshnav

new sclo-php*-php-pecl-redis4 packages available for testing

Yet another package available in centos-sclo-sclo-testing

This extension provides an API for communicating
with Redis servers.

<a href="https://pecl.php.net/package/redis" title="https://pecl.php.net/package/redis">https://pecl.php.net/package/redis</a>

For rh-php71 (EL-7 only)

* sclo-php71-php-pecl-redis4-4.1.0-1

For rh-php70

* sclo-php70-php-pecl-redis4-4.1.0-1

Notices:

- this extension is already available, as sclo-php70-php-pecl-redis
and sclo-php71-php-pecl-redis version 3.1.6.

CentOS Dojo @ CERN: CFP closes this weekend

This is your final reminder that the Call For Papers for the CentOS Dojo
at CERN closes at midnight on Sunday, July 15th.

(If you're one of those people that asks "which timezone", then perhaps
you're putting it off too long! ;-) But, I believe it's CET.)

<a href="http://cern.ch/centos" title="http://cern.ch/centos">http://cern.ch/centos</a> <--- Event details and call for abstracts are here.

Semi-OT: LSI raid card sorta....

I've got a box running C7, just updated (yesterday). It had an onboard
RAID controller, and an HBA. I just installed a new, additional RAID card,
all LSI.

MegaCli64 only sees one controller. I can't seem to find the magic to see
the others. I *know* the new card is a MegaRAID - the box it came in says
so.

Solarflare SFC9000 direct connection

hi guys

I wonder if any of you might be using SFN6122F-R7 SFP+ (SFC9000, same
firmware everywhere, Centos 7.5 too.

I'm trying poor man's setup to get the servers onto 10GbE network.

Setup is such that three Dell R815 are connected to each other, each has
one Solarflare(SFP ports) and each Solarflare is set as net-team(both
ports on a card are net-team device) with runner in broadcast mode. And
it all seems to work, they ping each other, iperf okey.

The problem, big problem is that when traffic start to flow between all
three servers simultaneously, with rsync for example, then!!

Certbot error CentOS 7.5

Hi All - I am running CentOS 7.5 and trying to use certbot.
I am getting an error 403 forbidden on the
/.well-known/acme-challenge/-CG_gSckofY5ln7TdMvoanDI1_FBRh8otQkyB0hxmoo

Some searching indicated permission problems... I also noticed that the
/var/www/html directory does not even have the .well-known directory in
it. The /var/www/html directory was root:root I changed it to root:apache
and still same error.
ls -l /var/www/
total 0
drwxr-xr-x. 2 root root 6 Jun 27 09:49 cgi-bin
drwxr-xr-x. 6 root apache 214 Jun 27 09:49 html

Anyone ran into this ?

bad text under KDE and C7

I recently installed C7 from a C7+gnome CD.
Gnome was awful enough that I promptly installed KDE.

KDE is not doing so well either.
Text in text editors invoked by "opening" a file is flakey at best.
E.g. pieces disappear and duplicate.
Terminals seem ok, including vim invoked from the terminal.
Firefox text seems ok.
The sidebar text in file-browser windows often has "black tape" over it,
usually completely covering text.
The file names are ok.

Suggestions on how to dignose this?

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